Full-Length Ride Height Adjustment Feature Ride Height Adjustment with Little or No Change in Ride Quality Twin-Tube Structure For Low Resiliency & Securing Sufficient Stroke Damping Force Adjustment System 16-level Linear Damping Force Adjustment System Complete Kit with Upper Mount Exclusively Designed Upper Mounts are Included (Except Some Models) 1-Full-Car-Kit Full Suspension Kit of 4 Springs & 4 Dampers